Finding the Fourth Proportional to 2,614.46, 3,919.05 and 1,228.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.46 : 3,919.05 = 1,228.55 : x
2. Step 2: Convert to fraction form
   2,614.46/3,919.05 = 1,228.55/x
3. Step 3: Cross multiply
   2,614.46x = 3,919.05 × 1,228.55
4. Step 4: Simplify right side
   2,614.46x = 4,814,729.28
5. Step 5: Solve for x
   x = 4,814,729.28/2,614.46
6. Step 6: Final answer
   x = 1,841.58